Home / 30,865.04-42,593.58-17,440.64

Finding the Fourth Proportional to 30,865.04, 42,593.58 and 17,440.64

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Solution

The fourth proportional to 30,865.04, 42,593.58 and 17,440.64 is: 24,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865.04 : 42,593.58 = 17,440.64 : x
  2. Step 2: Convert to fraction form
    30,865.04/42,593.58 = 17,440.64/x
  3. Step 3: Cross multiply
    30,865.04x = 42,593.58 × 17,440.64
  4. Step 4: Simplify right side
    30,865.04x = 742,859,295.09
  5. Step 5: Solve for x
    x = 742,859,295.09/30,865.04
  6. Step 6: Final answer
    x = 24,067.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.